720860704 has 12 divisors (see below), whose sum is σ = 1419194574. Its totient is φ = 360430336.

The previous prime is 720860683. The next prime is 720860717. The reversal of 720860704 is 407068027.

It can be written as a sum of positive squares in only one way, i.e., 537312400 + 183548304 = 23180^2 + 13548^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 720860704.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11263417 + ... + 11263480.

Almost surely, 2^720860704 is an apocalyptic number.

It is an amenable number.

720860704 is a deficient number, since it is larger than the sum of its proper divisors (698333870).

720860704 is a wasteful number, since it uses less digits than its factorization.

720860704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22526907 (or 22526899 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 720860704 is about 26848.8492118377. The cubic root of 720860704 is about 896.6379518143.

The spelling of 720860704 in words is "seven hundred twenty million, eight hundred sixty thousand, seven hundred four".